./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:35:01,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:35:01,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:35:01,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:35:01,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:35:01,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:35:01,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:35:01,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:35:01,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:35:01,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:35:01,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:35:01,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:35:01,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:35:01,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:35:01,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:35:01,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:01,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:35:01,812 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:35:01,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:35:02,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:35:02,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:35:02,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:35:02,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:35:02,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:35:02,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-11-21 15:35:03,225 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f289263a5/920684e7b5aa4e22abddafa7ee996967/FLAGe1b65aa79 [2024-11-21 15:35:03,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:35:03,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-11-21 15:35:03,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f289263a5/920684e7b5aa4e22abddafa7ee996967/FLAGe1b65aa79 [2024-11-21 15:35:03,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f289263a5/920684e7b5aa4e22abddafa7ee996967 [2024-11-21 15:35:03,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:35:03,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:35:03,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:03,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:35:03,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:35:03,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664eb434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03, skipping insertion in model container [2024-11-21 15:35:03,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:35:03,593 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-11-21 15:35:03,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:03,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:35:03,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-11-21 15:35:03,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:03,646 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:35:03,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03 WrapperNode [2024-11-21 15:35:03,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:03,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:03,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:35:03,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:35:03,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,691 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 294 [2024-11-21 15:35:03,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:03,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:35:03,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:35:03,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:35:03,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,713 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:35:03,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:35:03,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:35:03,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:35:03,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (1/1) ... [2024-11-21 15:35:03,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:03,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:03,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:03,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:35:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:35:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:35:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-21 15:35:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-21 15:35:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-21 15:35:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:35:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:35:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:35:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:35:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:35:03,784 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:35:03,869 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:35:03,870 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:35:04,243 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:35:04,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:35:04,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:35:04,495 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-21 15:35:04,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:04 BoogieIcfgContainer [2024-11-21 15:35:04,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:35:04,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:35:04,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:35:04,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:35:04,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:35:03" (1/3) ... [2024-11-21 15:35:04,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577671fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:04, skipping insertion in model container [2024-11-21 15:35:04,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:03" (2/3) ... [2024-11-21 15:35:04,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577671fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:04, skipping insertion in model container [2024-11-21 15:35:04,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:04" (3/3) ... [2024-11-21 15:35:04,503 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-11-21 15:35:04,515 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:35:04,516 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 66 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-21 15:35:04,517 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:35:04,589 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-21 15:35:04,628 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:04,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:35:04,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:04,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:04,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:35:04,712 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:04,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-11-21 15:35:04,727 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a3b26ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:04,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 15:35:05,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-21 15:35:05,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-21 15:35:05,875 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-21 15:35:05,878 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2024-11-21 15:35:05,881 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:05,885 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:05,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-11-21 15:35:05,885 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a3b26ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:05,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 15:35:05,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-21 15:35:05,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-21 15:35:05,956 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-21 15:35:05,956 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2024-11-21 15:35:05,959 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:05,962 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:05,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:35:05,962 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a3b26ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:05,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 15:35:05,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:05,993 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:05,994 INFO L139 ounterexampleChecker]: Examining path program with hash 1349229312, occurence #1 [2024-11-21 15:35:05,994 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:05,994 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:05,998 INFO L85 PathProgramCache]: Analyzing trace with hash -380896418, now seen corresponding path program 1 times [2024-11-21 15:35:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:06,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207268155] [2024-11-21 15:35:06,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:06,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:06,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207268155] [2024-11-21 15:35:06,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207268155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:06,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:06,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:35:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225970872] [2024-11-21 15:35:06,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:06,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 15:35:06,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:06,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 15:35:06,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 15:35:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:06,185 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:06,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:06,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:06,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:06,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:35:06,864 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:06,864 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:06,864 INFO L139 ounterexampleChecker]: Examining path program with hash -480305360, occurence #1 [2024-11-21 15:35:06,864 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:06,864 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:06,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:06,865 INFO L85 PathProgramCache]: Analyzing trace with hash -593598947, now seen corresponding path program 1 times [2024-11-21 15:35:06,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:06,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877022400] [2024-11-21 15:35:06,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:06,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:07,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877022400] [2024-11-21 15:35:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877022400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:07,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:07,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:35:07,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593246140] [2024-11-21 15:35:07,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:07,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 15:35:07,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:07,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 15:35:07,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 15:35:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,216 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:07,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:07,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:35:07,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:07,524 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:07,524 INFO L139 ounterexampleChecker]: Examining path program with hash -369951044, occurence #1 [2024-11-21 15:35:07,524 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:07,524 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:07,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:07,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1779700018, now seen corresponding path program 2 times [2024-11-21 15:35:07,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:07,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169980748] [2024-11-21 15:35:07,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:07,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:07,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:07,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169980748] [2024-11-21 15:35:07,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169980748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:07,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:07,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:35:07,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218619960] [2024-11-21 15:35:07,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:07,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:35:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:07,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:35:07,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:35:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:07,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:07,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:07,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:07,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:08,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 15:35:08,095 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:08,095 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:08,096 INFO L139 ounterexampleChecker]: Examining path program with hash -369951044, occurence #2 [2024-11-21 15:35:08,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:08,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:08,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:35:08,115 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:08,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:35:08,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:35:08,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:08,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:08,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:35:08,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:35:08,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 15:35:08,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:08,144 INFO L85 PathProgramCache]: Analyzing trace with hash -33322108, now seen corresponding path program 1 times [2024-11-21 15:35:08,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:08,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715514111] [2024-11-21 15:35:08,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,294 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:08,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715514111] [2024-11-21 15:35:08,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715514111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2134719941] [2024-11-21 15:35:08,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:08,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2134719941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:08,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:35:08,422 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:08,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 15:35:08,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:08,438 INFO L85 PathProgramCache]: Analyzing trace with hash -355254180, now seen corresponding path program 1 times [2024-11-21 15:35:08,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:08,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422542933] [2024-11-21 15:35:08,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,580 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:08,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422542933] [2024-11-21 15:35:08,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422542933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1204989972] [2024-11-21 15:35:08,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:08,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1204989972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:08,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:35:08,699 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:08,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 15:35:08,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash 678783263, now seen corresponding path program 1 times [2024-11-21 15:35:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:08,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087218568] [2024-11-21 15:35:08,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,882 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:08,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087218568] [2024-11-21 15:35:08,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087218568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1896031553] [2024-11-21 15:35:08,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:08,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:08,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:08,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1896031553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:08,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:08,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:35:08,995 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:08,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 15:35:08,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:08,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-21 15:35:09,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash 809621408, now seen corresponding path program 1 times [2024-11-21 15:35:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501638586] [2024-11-21 15:35:09,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:09,216 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501638586] [2024-11-21 15:35:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501638586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1542342573] [2024-11-21 15:35:09,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:09,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:09,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:09,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1542342573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:09,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:09,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:35:09,331 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 15:35:09,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 15:35:09,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 15:35:09,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 15:35:09,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 15:35:09,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:09,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 15:35:09,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:09,331 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:09,331 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:09,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:09,332 INFO L85 PathProgramCache]: Analyzing trace with hash -929699137, now seen corresponding path program 1 times [2024-11-21 15:35:09,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:09,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349598712] [2024-11-21 15:35:09,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:09,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:09,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349598712] [2024-11-21 15:35:09,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349598712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:09,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326909736] [2024-11-21 15:35:09,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:09,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:09,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:35:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:09,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:09,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:09,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:09,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326909736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:09,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:09,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-21 15:35:09,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963799425] [2024-11-21 15:35:09,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:09,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 15:35:09,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:09,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 15:35:09,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-21 15:35:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:09,894 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:09,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:09,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:09,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:09,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:09,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:10,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:35:10,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-11-21 15:35:10,418 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:10,418 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:10,418 INFO L139 ounterexampleChecker]: Examining path program with hash -369951044, occurence #3 [2024-11-21 15:35:10,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:10,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:35:10,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:35:10,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:35:10,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:35:10,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:35:10,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:35:10,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:10,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 15:35:10,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash -788164727, now seen corresponding path program 1 times [2024-11-21 15:35:10,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:10,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604966509] [2024-11-21 15:35:10,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:10,670 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:10,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604966509] [2024-11-21 15:35:10,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604966509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:10,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [475637713] [2024-11-21 15:35:10,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:10,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 15:35:10,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:10,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [475637713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:10,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:10,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2024-11-21 15:35:10,952 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:10,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:35:10,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:10,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1537219615, now seen corresponding path program 1 times [2024-11-21 15:35:10,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:10,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254439440] [2024-11-21 15:35:10,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:10,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:11,202 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:11,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254439440] [2024-11-21 15:35:11,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254439440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:11,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [652359514] [2024-11-21 15:35:11,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:11,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 15:35:11,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:11,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [652359514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:11,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:11,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-21 15:35:11,514 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:11,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 15:35:11,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash 223808164, now seen corresponding path program 1 times [2024-11-21 15:35:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:11,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941164066] [2024-11-21 15:35:11,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:11,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:11,860 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:11,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941164066] [2024-11-21 15:35:11,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941164066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:11,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1975177375] [2024-11-21 15:35:11,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:11,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 15:35:11,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:12,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1975177375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:12,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:12,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-11-21 15:35:12,366 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:12,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 15:35:12,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:12,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 15:35:12,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:12,396 INFO L85 PathProgramCache]: Analyzing trace with hash -292397339, now seen corresponding path program 1 times [2024-11-21 15:35:12,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:12,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083774173] [2024-11-21 15:35:12,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:12,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:12,878 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:12,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083774173] [2024-11-21 15:35:12,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083774173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:12,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [237308756] [2024-11-21 15:35:12,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:12,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:12,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 15:35:12,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:13,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [237308756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:13,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2024-11-21 15:35:13,439 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 15:35:13,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 15:35:13,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:13,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-21 15:35:13,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:13,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-11-21 15:35:13,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:13,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-21 15:35:13,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:13,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-21 15:35:13,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:13,440 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:13,440 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:13,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:13,441 INFO L85 PathProgramCache]: Analyzing trace with hash -349475602, now seen corresponding path program 2 times [2024-11-21 15:35:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:13,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262426192] [2024-11-21 15:35:13,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:13,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:13,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:13,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262426192] [2024-11-21 15:35:13,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262426192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:13,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422810979] [2024-11-21 15:35:13,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:35:13,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:13,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:13,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:35:14,078 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:35:14,078 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:14,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 15:35:14,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:35:14,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:35:14,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422810979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:14,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:35:14,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [22] total 39 [2024-11-21 15:35:14,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981842535] [2024-11-21 15:35:14,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:14,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 15:35:14,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:14,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 15:35:14,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1324, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 15:35:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:14,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:14,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:14,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:14,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:14,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:14,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 15:35:15,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-21 15:35:15,150 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:15,150 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:15,150 INFO L139 ounterexampleChecker]: Examining path program with hash -472091672, occurence #1 [2024-11-21 15:35:15,150 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:15,150 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:15,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:15,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1317794893, now seen corresponding path program 3 times [2024-11-21 15:35:15,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:15,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765192779] [2024-11-21 15:35:15,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:15,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765192779] [2024-11-21 15:35:15,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765192779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:15,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180799269] [2024-11-21 15:35:15,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:35:15,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:15,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:15,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:15,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:35:15,873 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:35:15,874 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:15,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 15:35:15,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180799269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:16,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:16,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 12, 12] total 46 [2024-11-21 15:35:16,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990491709] [2024-11-21 15:35:16,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:16,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-21 15:35:16,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:16,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-21 15:35:16,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=1813, Unknown=0, NotChecked=0, Total=2162 [2024-11-21 15:35:16,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:16,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:16,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.638297872340425) internal successors, (312), 46 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:16,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 15:35:17,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:17,118 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:17,118 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:17,119 INFO L139 ounterexampleChecker]: Examining path program with hash -472091672, occurence #2 [2024-11-21 15:35:17,119 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:17,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:17,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:17,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:35:17,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:17,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:35:17,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:17,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:17,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:17,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:35:17,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:17,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:35:17,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:17,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:35:17,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:17,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 15:35:17,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash -60584043, now seen corresponding path program 1 times [2024-11-21 15:35:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:17,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512306578] [2024-11-21 15:35:17,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:17,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:17,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512306578] [2024-11-21 15:35:17,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512306578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:17,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [833031396] [2024-11-21 15:35:17,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:17,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:35:17,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 46 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:18,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [833031396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:18,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:18,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2024-11-21 15:35:18,151 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 15:35:18,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-21 15:35:18,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2110227222, now seen corresponding path program 1 times [2024-11-21 15:35:18,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:18,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570689448] [2024-11-21 15:35:18,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:18,778 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:18,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570689448] [2024-11-21 15:35:18,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570689448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:18,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [473865808] [2024-11-21 15:35:18,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:18,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 15:35:18,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 46 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:19,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [473865808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:19,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:19,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25] total 51 [2024-11-21 15:35:19,469 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-21 15:35:19,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 15:35:19,470 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-21 15:35:19,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-21 15:35:19,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-21 15:35:19,470 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:19,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 15:35:19,470 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:19,470 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:19,470 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:19,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:19,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1307283443, now seen corresponding path program 4 times [2024-11-21 15:35:19,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:19,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532196223] [2024-11-21 15:35:19,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:20,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:20,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532196223] [2024-11-21 15:35:20,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532196223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:20,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511609195] [2024-11-21 15:35:20,093 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:35:20,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:20,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:20,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:20,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:35:20,208 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:35:20,208 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:20,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:35:20,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:35:20,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-21 15:35:20,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511609195] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:20,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:20,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [29, 21] total 55 [2024-11-21 15:35:20,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472641373] [2024-11-21 15:35:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:20,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 15:35:20,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:20,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 15:35:20,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=2628, Unknown=0, NotChecked=0, Total=2970 [2024-11-21 15:35:20,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:20,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:20,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:20,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:21,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 15:35:21,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-11-21 15:35:21,386 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:21,386 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:21,386 INFO L139 ounterexampleChecker]: Examining path program with hash -1384392147, occurence #1 [2024-11-21 15:35:21,386 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:21,386 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:21,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2135767586, now seen corresponding path program 5 times [2024-11-21 15:35:21,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:21,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108446685] [2024-11-21 15:35:21,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:21,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 52 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:21,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:21,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108446685] [2024-11-21 15:35:21,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108446685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:21,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072423899] [2024-11-21 15:35:21,928 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:35:21,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:21,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:21,930 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:21,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:35:22,143 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-21 15:35:22,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:22,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:35:22,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 93 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:22,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 93 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:22,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072423899] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:22,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:22,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16, 16] total 57 [2024-11-21 15:35:22,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494196089] [2024-11-21 15:35:22,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:22,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-21 15:35:22,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:22,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-21 15:35:22,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2757, Unknown=0, NotChecked=0, Total=3306 [2024-11-21 15:35:22,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:22,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.068965517241379) internal successors, (294), 57 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:35:23,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 15:35:23,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-21 15:35:23,418 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:23,418 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:23,418 INFO L139 ounterexampleChecker]: Examining path program with hash -1384392147, occurence #2 [2024-11-21 15:35:23,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:35:23,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:35:23,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 15:35:23,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:23,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-21 15:35:23,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:23,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 15:35:23,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:23,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-21 15:35:23,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:23,419 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:23,419 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:23,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1946517570, now seen corresponding path program 6 times [2024-11-21 15:35:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:23,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884257940] [2024-11-21 15:35:23,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 60 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:23,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:23,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884257940] [2024-11-21 15:35:23,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884257940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:23,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583904293] [2024-11-21 15:35:23,758 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:35:23,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:23,759 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:23,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:35:23,937 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:35:23,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:23,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:35:23,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:24,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:24,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583904293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:24,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:24,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 56 [2024-11-21 15:35:24,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621051536] [2024-11-21 15:35:24,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:24,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-21 15:35:24,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:24,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-21 15:35:24,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=2539, Unknown=0, NotChecked=0, Total=3192 [2024-11-21 15:35:24,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:24,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:24,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.684210526315789) internal successors, (324), 56 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:35:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:35:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:35:25,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:35:25,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 15:35:25,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:25,228 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:25,228 INFO L139 ounterexampleChecker]: Examining path program with hash -1384392147, occurence #3 [2024-11-21 15:35:25,228 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:35:25,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:35:25,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-21 15:35:25,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 15:35:25,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:25,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-21 15:35:25,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:25,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-21 15:35:25,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:25,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-21 15:35:25,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:25,229 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:25,229 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:25,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash 465878626, now seen corresponding path program 7 times [2024-11-21 15:35:25,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:25,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887354228] [2024-11-21 15:35:25,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 36 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:25,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:25,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887354228] [2024-11-21 15:35:25,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887354228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:25,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789218190] [2024-11-21 15:35:25,679 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:35:25,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:25,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:25,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:25,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:35:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:25,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:35:25,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:26,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:26,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789218190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:26,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:26,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23, 23] total 64 [2024-11-21 15:35:26,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474803041] [2024-11-21 15:35:26,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:26,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-21 15:35:26,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:26,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-21 15:35:26,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=3508, Unknown=0, NotChecked=0, Total=4160 [2024-11-21 15:35:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:26,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:26,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.2153846153846155) internal successors, (339), 64 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:35:26,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:35:26,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:35:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:35:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:35:28,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 15:35:28,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:28,509 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:28,509 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:28,510 INFO L139 ounterexampleChecker]: Examining path program with hash -335161783, occurence #1 [2024-11-21 15:35:28,510 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:28,510 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:28,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:28,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1625704483, now seen corresponding path program 8 times [2024-11-21 15:35:28,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:28,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202975287] [2024-11-21 15:35:28,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:28,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 538 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:31,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:31,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202975287] [2024-11-21 15:35:31,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202975287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:31,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645763184] [2024-11-21 15:35:31,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:35:31,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:31,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:31,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:31,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:35:32,072 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:35:32,072 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:32,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 15:35:32,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 504 proven. 66 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-21 15:35:32,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 504 proven. 66 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-21 15:35:33,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645763184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:33,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:33,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 25, 25] total 121 [2024-11-21 15:35:33,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572505155] [2024-11-21 15:35:33,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:33,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-11-21 15:35:33,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:33,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-11-21 15:35:33,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2475, Invalid=12287, Unknown=0, NotChecked=0, Total=14762 [2024-11-21 15:35:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:33,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:33,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.549180327868853) internal successors, (555), 121 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:35:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:35:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:35:34,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:35:34,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:34,520 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:34,520 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:34,520 INFO L139 ounterexampleChecker]: Examining path program with hash -335161783, occurence #2 [2024-11-21 15:35:34,520 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:34,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:34,520 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:35:34,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:35:34,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:35:34,520 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:35:34,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 15:35:34,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:34,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 15:35:34,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:34,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1120314480, now seen corresponding path program 1 times [2024-11-21 15:35:34,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:34,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012154556] [2024-11-21 15:35:34,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:34,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 200 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:35,028 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:35,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012154556] [2024-11-21 15:35:35,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012154556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:35,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [833575326] [2024-11-21 15:35:35,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:35,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:35:35,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 215 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:35,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [833575326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:35,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:35,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-21 15:35:35,595 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:35,595 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 156 is hopeless, skipping. [2024-11-21 15:35:35,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 15:35:35,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:35,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1105618970, now seen corresponding path program 1 times [2024-11-21 15:35:35,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:35,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547350249] [2024-11-21 15:35:35,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:35,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 324 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:37,112 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:37,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547350249] [2024-11-21 15:35:37,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547350249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:37,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1739049600] [2024-11-21 15:35:37,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:37,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:37,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 15:35:37,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 397 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1739049600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:39,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:39,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 105 [2024-11-21 15:35:39,175 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:39,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-21 15:35:39,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1862070477, now seen corresponding path program 1 times [2024-11-21 15:35:39,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:39,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489410769] [2024-11-21 15:35:39,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 324 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:41,043 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:41,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489410769] [2024-11-21 15:35:41,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489410769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:41,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [56644262] [2024-11-21 15:35:41,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:41,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:41,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-21 15:35:41,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 397 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:43,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [56644262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:43,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:43,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 55] total 111 [2024-11-21 15:35:43,270 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:43,270 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 208 is hopeless, skipping. [2024-11-21 15:35:43,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-11-21 15:35:43,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash 626932757, now seen corresponding path program 1 times [2024-11-21 15:35:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:43,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795359328] [2024-11-21 15:35:43,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 538 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:45,847 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:45,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795359328] [2024-11-21 15:35:45,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795359328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:45,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1130127487] [2024-11-21 15:35:45,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:45,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-21 15:35:45,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:49,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1130127487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:49,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:49,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70] total 139 [2024-11-21 15:35:49,380 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:49,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-11-21 15:35:49,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:49,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-11-21 15:35:49,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:49,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1671008598, now seen corresponding path program 1 times [2024-11-21 15:35:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745530047] [2024-11-21 15:35:49,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 538 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:52,429 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:52,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745530047] [2024-11-21 15:35:52,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745530047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:52,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [933154338] [2024-11-21 15:35:52,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:52,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 15:35:52,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 646 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:56,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [933154338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:56,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:56,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 72] total 145 [2024-11-21 15:35:56,162 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:56,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-11-21 15:35:56,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:56,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2024-11-21 15:35:56,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:56,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-11-21 15:35:56,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:56,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-11-21 15:35:56,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:56,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2024-11-21 15:35:56,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:56,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2024-11-21 15:35:56,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:56,163 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:56,163 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:56,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:56,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2144334226, now seen corresponding path program 9 times [2024-11-21 15:35:56,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:56,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002785927] [2024-11-21 15:35:56,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:56,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 538 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:59,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:59,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002785927] [2024-11-21 15:35:59,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002785927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:59,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990217302] [2024-11-21 15:35:59,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:35:59,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:59,236 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:59,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:35:59,760 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 15:35:59,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:59,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 15:35:59,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 646 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:01,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:03,246 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 646 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:03,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990217302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:03,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:03,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 43, 43] total 159 [2024-11-21 15:36:03,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873054788] [2024-11-21 15:36:03,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:03,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2024-11-21 15:36:03,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:03,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2024-11-21 15:36:03,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4347, Invalid=21093, Unknown=0, NotChecked=0, Total=25440 [2024-11-21 15:36:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:03,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 5.2125) internal successors, (834), 159 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:03,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:03,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:03,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 15:36:04,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 15:36:04,159 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:04,159 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:04,160 INFO L139 ounterexampleChecker]: Examining path program with hash -335161783, occurence #3 [2024-11-21 15:36:04,160 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:04,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:36:04,160 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:36:04,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:36:04,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:36:04,160 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:36:04,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 15:36:04,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:04,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-21 15:36:04,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1279298361, now seen corresponding path program 1 times [2024-11-21 15:36:04,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:04,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605501821] [2024-11-21 15:36:04,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:04,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:36:04,474 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:36:04,474 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:36:04,475 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 170 is hopeless, skipping. [2024-11-21 15:36:04,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 15:36:04,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2097135331, now seen corresponding path program 1 times [2024-11-21 15:36:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:04,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658788937] [2024-11-21 15:36:04,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:36:04,890 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:36:04,890 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:36:04,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-21 15:36:04,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash 45316202, now seen corresponding path program 1 times [2024-11-21 15:36:04,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:04,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516944401] [2024-11-21 15:36:04,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:04,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:36:05,334 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:36:05,334 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:36:05,335 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 222 is hopeless, skipping. [2024-11-21 15:36:05,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-11-21 15:36:05,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -651012788, now seen corresponding path program 1 times [2024-11-21 15:36:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:05,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135041509] [2024-11-21 15:36:05,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 538 proven. 443 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:09,379 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:09,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135041509] [2024-11-21 15:36:09,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135041509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:09,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1072212746] [2024-11-21 15:36:09,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:09,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-21 15:36:09,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 630 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:13,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1072212746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:13,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:13,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 167 [2024-11-21 15:36:13,708 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:13,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2024-11-21 15:36:13,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:13,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-11-21 15:36:13,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:13,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1555717491, now seen corresponding path program 1 times [2024-11-21 15:36:13,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:13,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730848459] [2024-11-21 15:36:13,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:13,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 538 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:17,779 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730848459] [2024-11-21 15:36:17,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730848459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1621419662] [2024-11-21 15:36:17,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:17,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-21 15:36:17,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 646 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:22,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1621419662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:22,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:22,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 86] total 173 [2024-11-21 15:36:22,375 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-11-21 15:36:22,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2024-11-21 15:36:22,376 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 302 [2024-11-21 15:36:22,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-11-21 15:36:22,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 15:36:22,376 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-11-21 15:36:22,376 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,376 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:22,376 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:22,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash -800969614, now seen corresponding path program 10 times [2024-11-21 15:36:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248044415] [2024-11-21 15:36:22,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 538 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:26,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:26,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248044415] [2024-11-21 15:36:26,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248044415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:26,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92576961] [2024-11-21 15:36:26,512 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:36:26,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:26,514 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:26,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:36:26,706 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:36:26,706 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:26,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-21 15:36:26,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-21 15:36:29,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 182 proven. 229 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-11-21 15:36:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92576961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:29,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 64, 10] total 161 [2024-11-21 15:36:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034023825] [2024-11-21 15:36:29,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:29,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-11-21 15:36:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:29,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-11-21 15:36:29,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2595, Invalid=23165, Unknown=0, NotChecked=0, Total=25760 [2024-11-21 15:36:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:29,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:29,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 4.273291925465839) internal successors, (688), 161 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:36:32,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 15:36:32,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 15:36:32,947 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:32,947 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:32,948 INFO L139 ounterexampleChecker]: Examining path program with hash -1331940577, occurence #1 [2024-11-21 15:36:32,948 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:32,948 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:32,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash -137810614, now seen corresponding path program 11 times [2024-11-21 15:36:32,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:32,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623464759] [2024-11-21 15:36:32,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:32,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 325 proven. 691 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:36:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:34,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623464759] [2024-11-21 15:36:34,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623464759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:34,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114344303] [2024-11-21 15:36:34,845 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:36:34,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:34,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:34,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:34,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:36:35,853 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-21 15:36:35,853 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:35,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-21 15:36:35,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 351 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:37,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 378 proven. 639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:39,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114344303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:39,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:39,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 50, 50] total 152 [2024-11-21 15:36:39,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081226591] [2024-11-21 15:36:39,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:39,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2024-11-21 15:36:39,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:39,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2024-11-21 15:36:39,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4458, Invalid=18798, Unknown=0, NotChecked=0, Total=23256 [2024-11-21 15:36:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:39,212 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:39,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 4.4183006535947715) internal successors, (676), 152 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:36:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:36:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:36:41,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:36:41,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:41,361 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:41,361 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:41,361 INFO L139 ounterexampleChecker]: Examining path program with hash -1331940577, occurence #2 [2024-11-21 15:36:41,361 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:36:41,362 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:36:41,362 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2024-11-21 15:36:41,362 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-21 15:36:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 15:36:41,362 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2024-11-21 15:36:41,362 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:41,362 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:41,362 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:41,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:41,363 INFO L85 PathProgramCache]: Analyzing trace with hash 225919622, now seen corresponding path program 12 times [2024-11-21 15:36:41,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:41,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192454748] [2024-11-21 15:36:41,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:41,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 1365 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:45,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:45,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192454748] [2024-11-21 15:36:45,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192454748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:45,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047863584] [2024-11-21 15:36:45,692 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:36:45,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:45,694 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:45,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 15:36:49,152 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-21 15:36:49,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:49,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-21 15:36:49,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 1554 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:51,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 1554 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:54,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047863584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:54,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:54,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 63, 63] total 217 [2024-11-21 15:36:54,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418910860] [2024-11-21 15:36:54,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:54,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-11-21 15:36:54,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:54,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-11-21 15:36:54,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7715, Invalid=39591, Unknown=0, NotChecked=0, Total=47306 [2024-11-21 15:36:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:54,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:54,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 4.3807339449541285) internal successors, (955), 217 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:36:54,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:36:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:36:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:36:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:36:55,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-21 15:36:55,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:55,440 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:55,440 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:55,440 INFO L139 ounterexampleChecker]: Examining path program with hash -1331940577, occurence #3 [2024-11-21 15:36:55,440 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:36:55,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:36:55,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-11-21 15:36:55,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-11-21 15:36:55,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 15:36:55,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-11-21 15:36:55,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-11-21 15:36:55,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-11-21 15:36:55,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,441 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:55,441 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:55,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1490469333, now seen corresponding path program 13 times [2024-11-21 15:36:55,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:55,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500013944] [2024-11-21 15:36:55,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 528 proven. 1620 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:36:59,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:59,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500013944] [2024-11-21 15:36:59,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500013944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:59,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162456847] [2024-11-21 15:36:59,121 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:36:59,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:59,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:59,123 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:59,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 15:36:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:59,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-21 15:36:59,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 561 proven. 1588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:02,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 595 proven. 1554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162456847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:04,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 67, 67] total 203 [2024-11-21 15:37:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683329534] [2024-11-21 15:37:04,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:04,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2024-11-21 15:37:04,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:04,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2024-11-21 15:37:04,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7301, Invalid=34111, Unknown=0, NotChecked=0, Total=41412 [2024-11-21 15:37:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:04,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:04,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 4.5931372549019605) internal successors, (937), 203 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:37:04,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:37:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:37:08,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 15:37:08,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-21 15:37:08,820 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:37:08,820 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:08,820 INFO L139 ounterexampleChecker]: Examining path program with hash -1925410403, occurence #1 [2024-11-21 15:37:08,820 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:37:08,820 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:08,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:08,821 INFO L85 PathProgramCache]: Analyzing trace with hash -156176364, now seen corresponding path program 14 times [2024-11-21 15:37:08,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:08,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709856649] [2024-11-21 15:37:08,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 2755 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:16,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709856649] [2024-11-21 15:37:16,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709856649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310791343] [2024-11-21 15:37:16,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:37:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:16,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:37:16,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 15:37:16,896 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:37:16,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:37:16,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-21 15:37:16,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 2949 proven. 595 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-21 15:37:20,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 2949 proven. 595 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-21 15:37:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310791343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:24,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:24,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 71, 71] total 262 [2024-11-21 15:37:24,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841403569] [2024-11-21 15:37:24,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:24,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2024-11-21 15:37:24,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:24,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2024-11-21 15:37:24,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10641, Invalid=58265, Unknown=0, NotChecked=0, Total=68906 [2024-11-21 15:37:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:24,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:24,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 4.110266159695818) internal successors, (1081), 262 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:37:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:37:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:37:25,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:37:25,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:25,350 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:37:25,350 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:25,350 INFO L139 ounterexampleChecker]: Examining path program with hash -1925410403, occurence #2 [2024-11-21 15:37:25,350 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:37:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:37:25,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:37:25,350 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 15:37:25,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:37:25,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:37:25,350 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:37:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:37:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2024-11-21 15:37:25,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:25,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2044499163, now seen corresponding path program 1 times [2024-11-21 15:37:25,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:37:25,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827241986] [2024-11-21 15:37:25,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:25,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2857 backedges. 2176 proven. 681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:28,271 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:37:28,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827241986] [2024-11-21 15:37:28,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827241986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:28,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [985073048] [2024-11-21 15:37:28,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:28,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:28,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 15:37:28,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2857 backedges. 2227 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:30,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [985073048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:30,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:37:30,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72] total 143 [2024-11-21 15:37:30,898 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 15:37:30,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 408 [2024-11-21 15:37:30,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 412 [2024-11-21 15:37:30,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 416 [2024-11-21 15:37:30,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-11-21 15:37:30,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2024-11-21 15:37:30,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:30,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-11-21 15:37:30,899 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:30,899 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:37:30,899 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:30,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:30,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1769419579, now seen corresponding path program 15 times [2024-11-21 15:37:30,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:30,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349913430] [2024-11-21 15:37:30,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3651 backedges. 2755 proven. 896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349913430] [2024-11-21 15:37:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349913430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:38,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773043722] [2024-11-21 15:37:38,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:37:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:38,826 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:37:38,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 15:37:47,192 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-11-21 15:37:47,192 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:37:47,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-21 15:37:47,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3651 backedges. 3021 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:51,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3651 backedges. 3021 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:56,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773043722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:56,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:56,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 82, 82] total 286 [2024-11-21 15:37:56,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900592025] [2024-11-21 15:37:56,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:56,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2024-11-21 15:37:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:56,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2024-11-21 15:37:56,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13495, Invalid=68587, Unknown=0, NotChecked=0, Total=82082 [2024-11-21 15:37:56,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:56,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:56,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 4.317073170731708) internal successors, (1239), 286 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:37:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:37:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:37:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-21 15:37:57,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 15:37:57,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56 [2024-11-21 15:37:57,430 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:37:57,430 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:57,431 INFO L139 ounterexampleChecker]: Examining path program with hash -1925410403, occurence #3 [2024-11-21 15:37:57,431 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:37:57,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:37:57,431 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:37:57,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 15:37:57,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-21 15:37:57,431 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 15:37:57,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:37:57,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:57,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-11-21 15:37:57,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash 797926270, now seen corresponding path program 1 times [2024-11-21 15:37:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:37:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524420701] [2024-11-21 15:37:57,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:37:58,288 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:37:58,289 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 410 [2024-11-21 15:37:58,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-11-21 15:37:58,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2024-11-21 15:37:58,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2024-11-21 15:37:58,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2024-11-21 15:37:58,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2024-11-21 15:37:58,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:58,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2024-11-21 15:37:58,290 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:58,290 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:37:58,290 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:58,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:58,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1740702245, now seen corresponding path program 16 times [2024-11-21 15:37:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:58,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676635641] [2024-11-21 15:37:58,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 946 proven. 3109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:04,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:04,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676635641] [2024-11-21 15:38:04,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676635641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:04,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645161511] [2024-11-21 15:38:04,869 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:38:04,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:04,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:04,871 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:38:04,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 15:38:05,160 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:38:05,160 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:05,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-21 15:38:05,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 0 proven. 3021 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-21 15:38:08,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 14 proven. 612 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2024-11-21 15:38:09,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645161511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:09,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:09,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 89, 9] total 188 [2024-11-21 15:38:09,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641974677] [2024-11-21 15:38:09,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:09,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 188 states [2024-11-21 15:38:09,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:09,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2024-11-21 15:38:09,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2783, Invalid=32373, Unknown=0, NotChecked=0, Total=35156 [2024-11-21 15:38:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:09,394 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:09,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 188 states, 188 states have (on average 4.51595744680851) internal successors, (849), 188 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-21 15:38:09,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-21 15:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-11-21 15:38:27,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 15:38:27,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:27,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:38:27,288 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:27,289 INFO L139 ounterexampleChecker]: Examining path program with hash -677913965, occurence #1 [2024-11-21 15:38:27,289 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:38:27,289 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:27,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:27,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1155837131, now seen corresponding path program 17 times [2024-11-21 15:38:27,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:27,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446443533] [2024-11-21 15:38:27,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:27,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5833 backedges. 4526 proven. 1307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:38:41,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446443533] [2024-11-21 15:38:41,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446443533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604985284] [2024-11-21 15:38:41,273 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:38:41,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:41,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:41,275 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:38:41,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process